13826205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 25633920

約数和(自身を除く): 11807715

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 157, 171, 285, 309, 471, 515, 785, 855, 927, 1413, 1545, 1957, 2355, 2983, 4635, 5871, 7065, 8949, 9785, 14915, 16171, 17613, 26847, 29355, 44745, 48513, 80855, 88065, 134235, 145539, 242565, 307249, 727695, 921747, 1536245, 2765241, 4608735, 13826205]

約数ペア:

[(1, 13826205), (3, 4608735), (5, 2765241), (9, 1536245), (15, 921747), (19, 727695), (45, 307249), (57, 242565), (95, 145539), (103, 134235), (157, 88065), (171, 80855), (285, 48513), (309, 44745), (471, 29355), (515, 26847), (785, 17613), (855, 16171), (927, 14915), (1413, 9785), (1545, 8949), (1957, 7065), (2355, 5871), (2983, 4635)]